package com.myc.wx.handler;

import com.myc.wx.redis.RedisUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.TimeUnit;

@Component
@Slf4j
public class ReceiveTextChatMsgHandler implements WxChatMsgHandler {

    private static final String KEY_WORD = "验证码";

    private static final String LOGIN_PREFIX = "loginCode";

    @Resource
    private RedisUtil redisUtil;
    @Override
    public WxChatMsgTypeEnum getMsgType() {
        return WxChatMsgTypeEnum.TEXT_MSG;
    }

    @Override
    public String dealMsg(Map<String,String> messageType) {
        log.info("接收到文本消息事件");
        String content =messageType.get("Content");
        if (!KEY_WORD.equals(content)){
            String fromUserName = messageType.get("FromUserName");
            String toUserName = messageType.get("ToUserName");
            String numCount = "回复【验证码】可以获取登录验证码哦";
            String replyContent ="<xml>\n" +
                    "  <ToUserName><![CDATA["+fromUserName+"]]></ToUserName>\n" +
                    "  <FromUserName><![CDATA["+toUserName+"]]></FromUserName>\n" +
                    "  <CreateTime>12345678</CreateTime>\n" +
                    "  <MsgType><![CDATA[text]]></MsgType>\n" +
                    "  <Content><![CDATA["+numCount+"]]></Content>\n" +
                    "</xml>";
            return replyContent;
        }

        String fromUserName = messageType.get("FromUserName");
        String toUserName = messageType.get("ToUserName");

        Random random = new Random();
        int num = random.nextInt(1000);
        //num和fromUserName放入redis缓存
        String numKey = redisUtil.buildKey(LOGIN_PREFIX,String.valueOf(num));
        redisUtil.setNx(numKey , fromUserName, 5L , TimeUnit.MINUTES);
        String numCount = "您当前的验证码是【"+num+ "】，5分钟内有效!";
        String replyContent ="<xml>\n" +
                "  <ToUserName><![CDATA["+fromUserName+"]]></ToUserName>\n" +
                "  <FromUserName><![CDATA["+toUserName+"]]></FromUserName>\n" +
                "  <CreateTime>12345678</CreateTime>\n" +
                "  <MsgType><![CDATA[text]]></MsgType>\n" +
                "  <Content><![CDATA["+numCount+"]]></Content>\n" +
                "</xml>";
        return replyContent;
    }
}
